Structural evolution of PCL during melt extrusion 3D printing

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Structural evolution of PCL during melt extrusion 3D printing. / Liu, Fengyuan; Vyas, Cian; Poologasundarampillai, Gowsihan; Pape, Ian; Hinduja, Sri; Mirihanage, Wajira; Bartolo, Paulo.

In: Macromolecular Materials and Engineering, Vol. 303, No. 2, 1700494, 02.2018.

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Liu, Fengyuan ; Vyas, Cian ; Poologasundarampillai, Gowsihan ; Pape, Ian ; Hinduja, Sri ; Mirihanage, Wajira ; Bartolo, Paulo. / Structural evolution of PCL during melt extrusion 3D printing. In: Macromolecular Materials and Engineering. 2018 ; Vol. 303, No. 2.

Bibtex

@article{673fa280fb5c40669f3e459fe755069f,
title = "Structural evolution of PCL during melt extrusion 3D printing",
abstract = "Screw-assisted material extrusion technique is developed for tissue engineering applications to produce scaffolds with well-defined multiscale microstructural features and tailorable mechanical properties. In this study, in situ time-resolved synchrotron diffraction is employed to probe extrusion-based 3D printing of polycaprolactone (PCL) filaments. Time-resolved X-ray diffraction measurements reveals the progress of overall crystalline structural evolution of PCL during 3D printing. Particularly, in situ experimental observations provide strong evidence for the development of strong directionality of PCL crystals during the extrusion driven process. Results also show the evidence for the realization of anisotropic structural features through the melt extrusion-based 3D printing, which is a key development toward mimicking the anisotropic properties and hierarchical structures of biological materials in nature, such as human tissues.",
author = "Fengyuan Liu and Cian Vyas and Gowsihan Poologasundarampillai and Ian Pape and Sri Hinduja and Wajira Mirihanage and Paulo Bartolo",
year = "2018",
month = feb
doi = "10.1002/mame.201700494",
language = "English",
volume = "303",
journal = "Macromolecular Materials and Engineering",
issn = "1438-7492",
publisher = "Wiley-VCH Verlag",
number = "2",

}

RIS

TY - JOUR

T1 - Structural evolution of PCL during melt extrusion 3D printing

AU - Liu, Fengyuan

AU - Vyas, Cian

AU - Poologasundarampillai, Gowsihan

AU - Pape, Ian

AU - Hinduja, Sri

AU - Mirihanage, Wajira

AU - Bartolo, Paulo

PY - 2018/2

Y1 - 2018/2

N2 - Screw-assisted material extrusion technique is developed for tissue engineering applications to produce scaffolds with well-defined multiscale microstructural features and tailorable mechanical properties. In this study, in situ time-resolved synchrotron diffraction is employed to probe extrusion-based 3D printing of polycaprolactone (PCL) filaments. Time-resolved X-ray diffraction measurements reveals the progress of overall crystalline structural evolution of PCL during 3D printing. Particularly, in situ experimental observations provide strong evidence for the development of strong directionality of PCL crystals during the extrusion driven process. Results also show the evidence for the realization of anisotropic structural features through the melt extrusion-based 3D printing, which is a key development toward mimicking the anisotropic properties and hierarchical structures of biological materials in nature, such as human tissues.

AB - Screw-assisted material extrusion technique is developed for tissue engineering applications to produce scaffolds with well-defined multiscale microstructural features and tailorable mechanical properties. In this study, in situ time-resolved synchrotron diffraction is employed to probe extrusion-based 3D printing of polycaprolactone (PCL) filaments. Time-resolved X-ray diffraction measurements reveals the progress of overall crystalline structural evolution of PCL during 3D printing. Particularly, in situ experimental observations provide strong evidence for the development of strong directionality of PCL crystals during the extrusion driven process. Results also show the evidence for the realization of anisotropic structural features through the melt extrusion-based 3D printing, which is a key development toward mimicking the anisotropic properties and hierarchical structures of biological materials in nature, such as human tissues.

U2 - 10.1002/mame.201700494

DO - 10.1002/mame.201700494

M3 - Article

VL - 303

JO - Macromolecular Materials and Engineering

JF - Macromolecular Materials and Engineering

SN - 1438-7492

IS - 2

M1 - 1700494

ER -